Update _index.md versions

Per jx repo - go version used is 1.23 and golang ci expected version is 1.50.1 
https://github.com/jenkins-x/jx/blob/274bb14e07bada58978129a9754352316a4bf568/hack/linter.sh#L12
https://github.com/jenkins-x/jx/blob/274bb14e07bada58978129a9754352316a4bf568/Dockerfile-go

Author: clintonsteiner

content/en/community/code/_index.md

@@ -30,8 +30,8 @@ If you're struggling at any point in this contribution guide, reach out to the J
 To contribute to Jenkins X jx binary, you will need:
 
 * [Git](https://git-scm.com) and a [GitHub](https://github.com) account
-* [Go](https://golang.org/) `1.18.X`, with support for compiling to `linux/amd64`
-* [golangci-lint](https://github.com/golangci/golangci-lint)`1.46.2`, wich will be used to lint your code later
+* [Go](https://golang.org/) `1.23.X`, with support for compiling to `linux/amd64`
+* [golangci-lint](https://github.com/golangci/golangci-lint)`1.50.1`, wich will be used to lint your code later
 * [pre-commit](https://pre-commit.com/#install) - once installed, ensure you're at the root of the repository which contains a `.pre-commit-config.yaml` configuration file, then:
 
 ```sh
@@ -40,7 +40,7 @@ pre-commit install
 
 ### Install Go
 
-We recommend `1.17.X` version of go as the pull request checks run against this version.
+We recommend `1.23.X` version of go as the pull request checks run against this version.
 
 The installation of Go should take only a few minutes. You have more than one option to get Go up and running on your machine.
 
@@ -51,7 +51,7 @@ If you are having trouble following the installation guides for go, check out [G
 If you are a macOS user and have [Homebrew](https://brew.sh/) installed on your machine, installing Go is as simple as the following command:
 
 ```sh
-brew install go@1.15
+brew install go@1.23
 ```
 
 #### Install Go via GVM